Games like Root: The Riverfolk Expansion
Games like Root: The Riverfolk Expansion include Root, Totally Accurate Battle Simulator, Plague Inc: Evolved, Tabletop Simulator, and Mount & Blade II: Bannerlord. We matched them by the tags players give Root: The Riverfolk Expansion on Steam (Strategy, Indie, Simulation, Tabletop, and Board Game): closest matches first, and among equally close ones the better-known games.

Root
Shared: Strategy · Tabletop · Board Game

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie

Plague Inc: Evolved
Shared: Strategy · Simulation · Indie

Tabletop Simulator
Shared: Tabletop · Simulation · Board Game

Mount & Blade II: Bannerlord
Shared: Strategy · Multiplayer · Singleplayer

DEFCON
Shared: Strategy · Simulation · Indie

Sid Meier’s Civilization® VI
Shared: Strategy · Multiplayer · Singleplayer

Talisman: Digital Classic Edition
Shared: Strategy · Tabletop · Board Game

Chess Ultra
Shared: Strategy · Indie · Tabletop

Hearts of Iron IV
Shared: Strategy · Simulation · Multiplayer

100% Orange Juice
Shared: Strategy · Board Game · Multiplayer

UNO
Shared: Tabletop · Multiplayer · Board Game

Shieldwall
Shared: Simulation · Strategy · Multiplayer

Through the Ages
Shared: Strategy · Tabletop · Board Game

Gremlins, Inc.
Shared: Strategy · Tabletop · Board Game

No Time to Relax
Shared: Board Game · Multiplayer · Strategy

Game Dev Tycoon
Shared: Indie · Simulation · Strategy

Age of History II
Shared: Strategy · Simulation · Multiplayer

Buckshot Roulette
Shared: Strategy · Multiplayer · Indie

Steel Division 2
Shared: Strategy · Simulation · Singleplayer

House Flipper
Shared: Simulation · Multiplayer · Singleplayer

Twilight Struggle
Shared: Strategy · Board Game · Tabletop

Wargame: Red Dragon
Shared: Strategy · Wargame · Multiplayer

This War of Mine
Shared: Strategy · Simulation · Singleplayer